(1) If it is unknown within three months after the public notice mentioned in Article 1053(1) has been given whether an inheritor exists, the administrator shall, without delay, give public notice to the general obligees in inheritance and testamentary donees, calling upon them to give him or her notice of their claims or testamentary gifts within a specified period of not less than two months.
(2) The provisions of Articles 88(2) and (3), 89, and 1033 through 1039 shall apply mutatis mutandis to the cases mentioned in paragraph (1).